Medium [CVE-2026-59871] Denial of Service due to incorrect PAX path handling
This medium-severity Red Hat Linux advisory covers CVE-2026-59871 affecting Confidential Compute Attestation, Cryostat 4, Exploit Intelligence.
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Summary
node-tar is a tar archive manipulation library for Node.js. Prior to 7.5.18, node-tar coerces all-digit PAX path and linkpath values in src/pax.ts to JavaScript numbers, causing downstream path handling such as normalizeWindowsPath(entry.path).split('/') to throw an uncaught TypeError.
This issue is fixed in version 7.5.18. This vulnerability occurs when the library incorrectly converts specific archive path values into numbers, leading to an error during subsequent path processing.
An attacker could exploit this to cause the application using node-tar to crash, resulting in a denial of service. This Moderate severity flaw in `node-tar` can lead to a denial of service in Node.js applications that process untrusted tar archives.
A specially crafted archive with an all-digit PAX path value can cause an uncaught `TypeError` during path handling, resulting in an application crash that bypasses typical error recovery mechanisms. Red Hat severity: Moderate — CVSS 5.3 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).
Weakness: CWE-843.
Affected products named by the advisory: Confidential Compute Attestation; Cryostat 4; Exploit Intelligence; Migration Toolkit for Containers; and 35 more.
Affected products named by the advisory: Node HealthCheck Operator; OpenShift Pipelines; OpenShift Service Mesh 3; Red Hat 3scale API Management Platform 2; and 31 more.
- < 7.5.18
Official advisory · high-confidence parse· fetched 20 days ago·verify at source
Mitigation checklist
- Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Official advisory · high-confidence parse· fetched 20 days ago·verify at source
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